Meaning of “dementia” in the English Dictionary

british dictionary

"dementia" in British English

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dementianoun [ U ]

uk /dɪˈmen.ʃə/ us /dɪˈmen.ʃə/ specialized

a medical condition that affects especially old people, causing the memory and other mental abilities to gradually become worse, and leading to confused behaviour:

The most common form of dementia is Alzheimer's disease.

(Definition of “dementia” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"dementia" in American English

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dementianoun [ U ]

us /dɪˈmen·ʃə/

a disease or condition that exists esp. among older people, and that results in the gradual loss of mental abilities, such as the ability to think, reason, and remember things

(Definition of “dementia” from the Cambridge Academic Content Dictionary © Cambridge University Press)